// Copyright 2011 Google Inc. All Rights Reserved.
// Author: jacobsa@google.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/**
 * A class representing an edge in a directed graph. Each edge consists of a
 * (from, to) pair of nodes in the graph. Nodes are arbitrary strings.
 *
 * @param {string} fromNode
 *     The node in the graph from which the edge extends.
 *
 * @param {string} toNode
 *     The node in the graph to which the edge extends.
 *
 * @constructor
 */
flame.internal.GraphEdge = function(fromNode, toNode) {
  this.fromNode = fromNode;
  this.toNode = toNode;
};

/** @type {string} **/
flame.internal.GraphEdge.prototype.fromNode;

/** @type {string} **/
flame.internal.GraphEdge.prototype.toNode;
